package com.t9;

/**
 * Created by xuyiwei on 2018/7/21.
 */
interface I1 {
    void f();
}

interface I2 {
    void f(int i);
}

interface I3 {
    void f();
}
class C {
    public int i(){
        return 1;
    }
}

class C5 extends C implements I1{

    @Override
    public void f() {

    }
}

interface I4 extends I1,I3{

}
public class InterfaceCollision {
}
